package com.example.demo.config;

import org.springframework.util.StringUtils;
import org.springframework.web.servlet.LocaleResolver;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Locale;

// 解析语言信息
public class MyLocaleResolver implements LocaleResolver {

    // 解析请求
    @Override
    public Locale resolveLocale(HttpServletRequest request) {
        // 获取请求中的语言参数
        String l = request.getParameter("l");
        // 默认的（如果没有就使用默认的）
        Locale locale = Locale.getDefault();
        if(!StringUtils.isEmpty(l)){
            // 使用自己的语言信息
            String[] split = l.split("_");
            locale = new Locale(split[0], split[1]);
        }
        return locale;
    }

    @Override
    public void setLocale(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Locale locale) {

    }
}
